Copper-Catalyzed One-Pot Trifluoromethylation/Aryl Migration/Desulfonylation and C(sp2)–N Bond Formation of Conjugated Tosyl Amides

A novel copper-catalyzed one-pot trifluoromethylation/aryl migration/desulfonylation and C(sp2)–N bond formation with conjugated tosyl amides as starting materials is presented here. The reaction affords α-aryl-β-trifluoromethyl amides bearing a quaternary stereocenter or trifluoromethylated oxindoles in a regioselective manner.